﻿<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebUP.aspx.cs" Inherits="ZoomLaCMS.Plugins.WebUploader.WebUP" ValidateRequest="false" MasterPageFile="~/Common/Common.master" %>
<asp:Content runat="server" ContentPlaceHolderID="Head">
    <link rel="stylesheet" type="text/css" href="Assets/webuploader.css" />
</asp:Content>
<asp:Content runat="server" ContentPlaceHolderID="Content"> 
    <div class="page-container">
        <div id="uploader" class="wu-example">
            <span style="display:none;">
                <label><input type="radio" value="0" name="upmode_rad" checked="checked" />文件上传</label>
                <label><input type="radio" value="1" name="upmode_rad" />图片压缩包(仅支持Zip)</label>
            </span>
            <div class="queueList">
                <div id="dndArea" class="placeholder">
                    <div id="filePicker" class="webuploader-container">
                        <div class="webuploader-pick">点击选择图片</div>
                        <div id="rt_rt_19j0nrnk4nfl10vc15tears1rh1" style="position: absolute; top: 0px; left: 448px; width: 168px; height: 44px; overflow: hidden; bottom: auto; right: auto;">
                             <input type="file" name="upfile" class="webuploader-element-invisible" multiple="multiple" />
                            <label style="opacity: 0; width: 100%; height: 100%; display: block; cursor: pointer; background: rgb(255, 255, 255);"></label>
                        </div>
                    </div>
                    <p>或将文件拖到这里</p>
                </div>
                <ul class="filelist"></ul>
            </div>
            <div class="statusBar" style="display: none;">
                <div class="progress" style="display: none;">
                    <span class="text">0%</span>
                    <span class="percentage" style="width: 0%;"></span>
                </div>
                <div class="info hidden-sm hidden-xs">共0张（0B），已上传0个</div>
                <div class="btns">
                    <div id="filePicker2" class="webuploader-container">
                        <div class="webuploader-pick">继续添加</div>
                        <div id="rt_rt_19j0nrnksqh65v5hg8jg3qke6" style="position: absolute; top: 0px; left: 0px; width: 1px; height: 1px; overflow: hidden;">
                             <input type="file" name="upfile" class="webuploader-element-invisible" multiple="multiple" />
                            <label style="opacity: 0; width: 100%; height: 100%; display: block; cursor: pointer; background: rgb(255, 255, 255);"></label>
                        </div>
                    </div>
                    <div class="uploadBtn state-pedding">开始上传</div>
                </div>
            </div>
        </div>
    </div>
</asp:Content>
<asp:Content runat="server" ContentPlaceHolderID="Script">
    <script type="text/javascript" src="Assets/webuploader.js"></script>
    <script>
        var myFromData = { upmode: "0",guid:"<%=Guid.NewGuid().ToString()%>" };//传递给服务端的数据
        var uploader, json, imgSuccessTlp = '<li class="state-complete"><p class="title"></p><p class="imgWrap"><img src="@src"></p><p class="progress"><span style="display: none; width: 0px;"></span></p><span class="success"></span></li>';
        var callback = "<%=Request["callback"]%>";//要调用页面哪个回调方法,默认为AddAttach
        $(function () {
            //json的传参中如需带?=&,请解析后再传递%3f|%3d|%26
            json = <%=Request["json"]%>
            json = (json == "" || !json) ? { ashx: "", pval: "" } : json;
            if (json.accept == "img") {//只接受图片
                json.accept = { title: 'Images', extensions: 'gif,jpg,jpeg,png', mimeTypes: 'image/*' };
            }
            else {json.accept = { title: 'Files', exteinsions: '*.*', mimeTypes: '*.*' }}
            $("input[name=upmode_rad]").click(function () {
                myFromData.upmode = this.value;
                uploader.option("formData", myFromData);//对初始化数据无效
            });
        })
        function IsImage(fname) {
            var ex = GetExName(fname);
            return (ex == "png" || ex == "jpg" || ex == "gif" || ex == "bmp")
        }
        function GetExName(fname) { var s = fname.lastIndexOf(".") + 1; return fname.substring(s, fname.length).replace(/" "/g, "").toLowerCase(); }
        //传入img字符串,  /temp/1.jpg,/Temp/2.jpg
        function AddFiles(ret) {
            $ul = $(".filelist");
            var imgarr = ret.split('|');
            for (var i = 0; i < imgarr.length; i++) {
                if (imgarr[i] == "") continue;
                var $li = $(imgSuccessTlp.replace("@src", imgarr[i]));
                $ul.append($li);
            }
        }
        /*--------------------------End-------------------------------------*/
        jQuery(function () {
            var $ = jQuery,    // just in case. Make sure it's not an other libaray.
                $wrap = $('#uploader'),

                // 图片容器
                $queue = $('<ul class="filelist"></ul>')
                    .appendTo($wrap.find('.queueList')),

                // 状态栏，包括进度和控制按钮
                $statusBar = $wrap.find('.statusBar'),

                // 文件总体选择信息。
                $info = $statusBar.find('.info'),

                // 上传按钮
                $upload = $wrap.find('.uploadBtn'),

                // 没选择文件之前的内容。
                $placeHolder = $wrap.find('.placeholder'),

                // 总体进度条
                $progress = $statusBar.find('.progress').hide(),

                // 添加的文件数量
                fileCount = 0,

                // 添加的文件总大小
                fileSize = 0,

                // 优化retina, 在retina下这个值是2
                ratio = window.devicePixelRatio || 1,

                // 缩略图大小
                thumbnailWidth = 110 * ratio,
                thumbnailHeight = 110 * ratio,

                // 可能有pedding, ready, uploading, confirm, done.
                state = 'pedding',

                // 所有文件的进度信息，key为file id
                percentages = {},

                supportTransition = (function () {
                    var s = document.createElement('p').style,
                        r = 'transition' in s ||
                              'WebkitTransition' in s ||
                              'MozTransition' in s ||
                              'msTransition' in s ||
                              'OTransition' in s;
                    s = null;
                    return r;
                })();

                // WebUploader实例
                //uploader;

            if (!WebUploader.Uploader.support()) {
                alert('Web Uploader 不支持您的浏览器！如果你使用的是IE浏览器，请尝试升级 flash 播放器');
                throw new Error('WebUploader does not support the browser you are using.');
            }
            // 实例化
            uploader = WebUploader.create({
                pick: {
                    id: '#filePicker',
                    label: '点击选择文件'
                },
                compress: json.compress,//是否取消压缩
                dnd: '#uploader .queueList',
                paste: document.body,
                accept: json.accept,
                // swf文件路径
                //swf: BASE_URL + '/js/Uploader.swf',
                swf: "/Plugins/WebUploader/Uploader.swf",
                disableGlobalDnd: true,
                <%:IsChunk?"threads: 3,chunked: true,chunkSize: 50 * 1024 * 1024,":"chunked:false,"%>
                server: '/Plugins/Uploadify/<%:IsChunk?"ChunkUP.ashx":"UploadFileHandler.ashx"%>?' + json.ashx,
                formData: myFromData,
                fileNumLimit: 100,
                fileSizeLimit: 500 * 1024 * 1024,    // 200 M
                fileSingleSizeLimit: 500 * 1024 * 1024    // 200 M
            });
            // 添加“添加文件”的按钮，
            uploader.addButton({
                id: '#filePicker2',
                label: '继续添加'
            });
            // 当有文件添加进来时执行，负责view的创建
            function addFile(file) {
                var $li = $('<li id="' + file.id + '">' +
                        '<p class="title">' + file.name + '</p>' +
                        '<p class="imgWrap"></p>' +
                        '<p class="progress"><span></span></p>' +
                        '</li>'),

                    $btns = $('<div class="file-panel">' +
                        '<span class="cancel">删除</span>' +
                        '<span class="rotateRight">向右旋转</span>' +
                        '<span class="rotateLeft">向左旋转</span></div>').appendTo($li),
                    $prgress = $li.find('p.progress span'),
                    $wrap = $li.find('p.imgWrap'),
                    $info = $('<p class="error"></p>'),

                    showError = function (code) {
                        switch (code) {
                            case 'exceed_size':
                                text = '文件大小超出';
                                break;

                            case 'interrupt':
                                text = '上传暂停';
                                break;

                            default:
                                text = '上传失败，请重试';
                                break;
                        }

                        $info.text(text).appendTo($li);
                    };

                if (file.getStatus() === 'invalid') {
                    showError(file.statusText);
                } else {
                    // @todo lazyload
                    $wrap.text('预览中');
                    uploader.makeThumb(file, function (error, src) {
                        if (error) {//非图片
                            $li = $('<li id="' + file.id + '">' +
                     '<p class="title">' + file.name + '</p>' +
                     '<div class="imgview"><div class="ext ' + GetExName(file.name) + '"></div></div>' +
                     '<p class="progress"><span></span></p>' +
                     '</li>');
                            $btns = $('<div class="file-panel">' +
                               '<span class="cancel">删除</span></div>').appendTo($li);
                            return;
                        }

                        var img = $('<img src="' + src + '">');
                        $wrap.empty().append(img);
                    }, thumbnailWidth, thumbnailHeight);

                    percentages[file.id] = [file.size, 0];
                    file.rotation = 0;
                }

                file.on('statuschange', function (cur, prev) {
                    if (prev === 'progress') {
                        $prgress.hide().width(0);
                    } else if (prev === 'queued') {
                        $li.off('mouseenter mouseleave');
                        $btns.remove();
                    }

                    // 成功
                    if (cur === 'error' || cur === 'invalid') {
                        console.log(file.statusText);
                        showError(file.statusText);
                        percentages[file.id][1] = 1;
                    } else if (cur === 'interrupt') {
                        showError('interrupt');
                    } else if (cur === 'queued') {
                        percentages[file.id][1] = 0;
                    } else if (cur === 'progress') {
                        $info.remove();
                        $prgress.css('display', 'block');
                    } else if (cur === 'complete') {
                        $li.append('<span class="success"></span>');
                    }

                    $li.removeClass('state-' + prev).addClass('state-' + cur);
                });

                $li.on('mouseenter', function () {
                    $btns.stop().animate({ height: 30 });
                });

                $li.on('mouseleave', function () {
                    $btns.stop().animate({ height: 0 });
                });

                $btns.on('click', 'span', function () {
                    var index = $(this).index(),
                        deg;

                    switch (index) {
                        case 0:
                            uploader.removeFile(file);
                            return;

                        case 1:
                            file.rotation += 90;
                            break;

                        case 2:
                            file.rotation -= 90;
                            break;
                    }

                    if (supportTransition) {
                        deg = 'rotate(' + file.rotation + 'deg)';
                        $wrap.css({
                            '-webkit-transform': deg,
                            '-mos-transform': deg,
                            '-o-transform': deg,
                            'transform': deg
                        });
                    } else {
                        $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
                        // use jquery animate to rotation
                        // $({
                        //     rotation: rotation
                        // }).animate({
                        //     rotation: file.rotation
                        // }, {
                        //     easing: 'linear',
                        //     step: function( now ) {
                        //         now = now * Math.PI / 180;

                        //         var cos = Math.cos( now ),
                        //             sin = Math.sin( now );

                        //         $wrap.css( 'filter', "progid:DXImageTransform.Microsoft.Matrix(M11=" + cos + ",M12=" + (-sin) + ",M21=" + sin + ",M22=" + cos + ",SizingMethod='auto expand')");
                        //     }
                        // });
                    }


                });

                $li.appendTo($queue);
            }

            // 负责view的销毁
            function removeFile(file) {
                var $li = $('#' + file.id);

                delete percentages[file.id];
                updateTotalProgress();
                $li.off().find('.file-panel').off().end().remove();
            }

            function updateTotalProgress() {
                var loaded = 0,
                    total = 0,
                    spans = $progress.children(),
                    percent;

                $.each(percentages, function (k, v) {
                    total += v[0];
                    loaded += v[0] * v[1];
                });

                percent = total ? loaded / total : 0;

                spans.eq(0).text(Math.round(percent * 100) + '%');
                spans.eq(1).css('width', Math.round(percent * 100) + '%');
                updateStatus();
            }

            function updateStatus() {
                var text = '', stats;

                if (state === 'ready') {
                    text = '选中' + fileCount + '个文件，共' +
                            WebUploader.formatSize(fileSize) + '。';
                } else if (state === 'confirm') {
                    stats = uploader.getStats();
                    if (stats.uploadFailNum) {
                        text = '已成功上传' + stats.successNum + '个文件，' +
                            stats.uploadFailNum + '张照片上传失败，<a class="retry" href="#">重新上传</a>失败文件或<a class="ignore" href="#">忽略</a>'
                    }

                } else {
                    stats = uploader.getStats();
                    text = '共' + fileCount + '个文件（' +
                            WebUploader.formatSize(fileSize) +
                            '），已上传' + stats.successNum + '个文件';

                    if (stats.uploadFailNum) {
                        text += '，失败' + stats.uploadFailNum + '个文件';
                    }
                }

                $info.html(text);
            }

            function setState(val) {
                var file, stats;

                if (val === state) {
                    return;
                }
                $upload.removeClass('state-' + state);
                $upload.addClass('state-' + val);
                state = val;

                switch (state) {
                    case 'pedding':
                        $placeHolder.removeClass('element-invisible');
                        $queue.parent().removeClass('filled');
                        $queue.hide();
                        $statusBar.addClass('element-invisible');
                        uploader.refresh();
                        break;

                    case 'ready':
                        $placeHolder.addClass('element-invisible');
                        $('#filePicker2').removeClass('element-invisible');
                        $queue.parent().addClass('filled');
                        $queue.show();
                        $statusBar.removeClass('element-invisible');
                        uploader.refresh();
                        break;

                    case 'uploading':
                        $('#filePicker2').addClass('element-invisible');
                        $progress.show();
                        $upload.text('暂停上传');
                        break;

                    case 'paused':
                        $progress.show();
                        $upload.text('继续上传');
                        break;

                    case 'confirm':
                        $progress.hide();
                        $upload.text('开始上传').addClass('disabled');

                        stats = uploader.getStats();
                        if (stats.successNum && !stats.uploadFailNum) {
                            setState('finish');
                            return;
                        }
                        break;
                    case 'finish':
                        stats = uploader.getStats();
                        if (stats.successNum) {
                            if (parent.webup_finish) { parent.webup_finish(); }
                        } else {
                            // 没有成功的图片，重设
                            state = 'done';
                            location.reload();
                        }
                        break;
                }

                updateStatus();
            }
            //绑定事件
            uploader.onUploadSuccess = function (file, ret, hds) {
                switch (myFromData.upmode) {
                    case "1"://图片压缩包
                        AddFiles(ret._raw);
                        break;
                    default:
                        break;
                }
                if (callback) { parent.upcallback[callback](file, ret, json.pval); }
                else if (parent.AddAttach) {
                    parent.AddAttach(file, ret, json.pval);
                }
                //显示继续添加和启用开始上传,取消,这样其会重复上传
                //$(".uploadBtn").removeClass("disabled");
                //$(".filePicker2").removeClass("filePicker2");
            }
            uploader.onUploadProgress = function (file, percentage) {
                var $li = $('#' + file.id),
                    $percent = $li.find('.progress span');

                $percent.css('width', percentage * 100 + '%');
                percentages[file.id][1] = percentage;
                updateTotalProgress();
            };

            uploader.onFileQueued = function (file) {
                fileCount++;
                fileSize += file.size;

                if (fileCount === 1) {
                    $placeHolder.addClass('element-invisible');
                    $statusBar.show();
                }

                addFile(file);
                setState('ready');
                updateTotalProgress();
            };

            uploader.onFileDequeued = function (file) {
                fileCount--;
                fileSize -= file.size;

                if (!fileCount) {
                    setState('pedding');
                }

                removeFile(file);
                updateTotalProgress();

            };

            uploader.on('all', function (type) {
                var stats;
                switch (type) {
                    case 'uploadFinished':
                        setState('confirm');
                        break;

                    case 'startUpload':
                        setState('uploading');
                        break;

                    case 'stopUpload':
                        setState('paused');
                        break;

                }
            });

            uploader.onError = function (code) {
                alert('Eroor: ' + code);
            };

            $upload.on('click', function () {
                if ($(this).hasClass('disabled')) {
                    return false;
                }

                if (state === 'ready') {
                    uploader.upload();
                } else if (state === 'paused') {
                    uploader.upload();
                } else if (state === 'uploading') {
                    uploader.stop();
                }
            });

            $info.on('click', '.retry', function () {
                uploader.retry();
            });

            $info.on('click', '.ignore', function () {
                alert('todo');
            });

            $upload.addClass('state-' + state);
            updateTotalProgress();
        });
    </script>
    <script>
            //更新配置项
            //function SetUpZip() {
            //    //初使化时使用的配置项,除非重建,否则无效
            //    uploader.option("accept", { title: 'Zip', exteinsions: 'zip', mimeTypes: 'application/zip' });
            //    uploader.option("pick", { id: '#filePicker', label: '点击选择图片压缩包' });
            //    WebUploader.create(uploader.options);
            //}
    </script>
</asp:Content>
